X0306 4 2020-03-17 0001758730 Tradeweb Markets Inc. TW 0001771187 Bruni Enrico TRADEWEB MARKETS INC. 1177 AVENUE OF THE AMERICAS NEW YORK NY 10036 true Managing Director, Europe/Asia Class A common stock 2020-03-17 4 A 0 16079 0 A 132301 D The reported transaction is an award of restricted stock units ("RSUs") in respect of the issuer's Class A common stock ("Class A Common Stock"). Subject to the reporting person's continued employment with the issuer through the applicable vesting date, these RSUs are scheduled to vest in equal installments on each of the first, second and third anniversaries of March 17, 2020. This amount includes (i) 42,218 unvested RSUs in respect of Class A Common Stock which are scheduled to vest on January 1, 2021, subject to the reporting person's continued employment through such date, (ii) 44,004 unvested RSUs in respect of Class A Common Stock which are scheduled to vest on January 1, 2022, subject to the reporting person's continued employment through such date, and (iii) 16,079 unvested RSUs in respect of Class A Common Stock which are scheduled to vest as described in footnote 1 to this Form 4. /s/ Scott Zucker, Attorney-in-Fact for Enrico Bruni 2020-03-19